Step 1: Cārvākas.
Unhone keval pratyakṣa pramāṇa ko mānā, isliye (A) - (II).
Step 2: Naiyāyikas.
Nyāya darśan meṁ 4 pramāṇa svīkārit haiṁ—pratyakṣa, anumāna, upamāna aur śabda. Isliye (B) - (I).
Step 3: Sāṃkhya.
Sāṃkhya sirf 2 pramāṇa māntā hai—pratyakṣa aur anumāna. Isliye (C) - (III).
Step 4: Bauddhas.
Bauddha darśan ne 3 pramāṇa māne—pratyakṣa, anumāna aur śabda. Isliye (D) - (IV).
Step 5: Conclusion.
Is tarah se sahi matching hai—(A) - (II), (B) - (I), (C) - (III), (D) - (IV).